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Immediately stop operation and turn off the electrical breaker in
following cases. Then consult authorized service personnel.
• The problem persists even if you perform these checks or
diagnostics.
• Error sign is shown on the wired remote controller display or the
indicator lamps on the indoor unit.
■ State of indicator lamps
Lighting pattern:
Off ,
State
Automatic defrosting operation
⇒ Please wait until fi nishing the defrosting
(maximum of 15 minutes).
Filter indicator
⇒ Clean the air fi lter and reset the fi lter
sign.
(3 times)
Demand response operation
(Twice)
Error code display
⇒ Consult authorized service personnel.
(Fast)
Timer setting error because of Auto restart
⇒ Reset the clock and timer settings.
Test run operation (for authorized
personnel only)
⇒ Press
Restricted function
(In multi-split connection) Standby mode
⇒ Check the set operation mode of the
indoor units.
(Slow)
(Slow)
■ Manual Auto operation and Filter indicator
reset
You can operate the air conditioner with
unit.
Status
Length of pressing down Mode or operation
In operation More than 3 seconds
Stopping
2 seconds or less
More than 3 seconds and
less than 10 seconds
More than 10 seconds
(Only for servicing.*
*1) In multi-split connection, the operation mode follows the other indoor
units.
*2) To stop the forced cooling, press this button or
remote controller.
En-9
On,
Blinking,
Any state
Causes and solutions
to quit the test run.
on the indoor
Stop
Filter indicator reset
Auto *
1)
Forced cooling
2)
)
on the wireless
See
page
6
6
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